Name: Pleurocapsales Cavalier-Smith 2002

Category: Order

Proposed as: ord. nov.

Etymology: Pleu.ro.cap.sa’les. N.L. fem. n. Pleurocapsa, type genus of the order; L. fem. pl. n. suff. -ales, ending to denote an order; N.L. fem. pl. n. Pleurocapsales, the Pleurocapsa order

Pronunciation (Latin), gender: ple͡u-ro-kap-SA-les, feminine

Type genus: Pleurocapsa Thuret 1885

Valid publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76. 🇬🇧

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 1 of the IJSEM. Int J Syst Evol Microbiol 2002; 52:293-295.

Nomenclatural status: validly published under the ICNP, rejected name

Taxonomic status: synonym

Correct name: Chroococcales corrig. Ardissone 1886

• Synonyms:

  • Name	Kind
    Chroococcaceae Bennett and Murray 1889	heterotypic synonym, inaccurate spelling and illegitimate (ICN [Botanical Code])
    Chroococcales Frémy 1930	heterotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    "Prochlorales" Lewin 1977	heterotypic synonym, not validly published
    Chroococcales corrig. Bennett and Murray 1889	heterotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    Chroococcales Schaffner 1922	heterotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    "Prochlorales" (ex Lewin 1977) Florenzano et al. 1986	heterotypic synonym, not validly published
    "Cyanobacteriales" Rippka and Cohen-Bazire 1983	heterotypic synonym, not validly published
    Chroococcoideae Wettstein 1901	heterotypic synonym, inaccurate spelling and illegitimate (ICN [Botanical Code])
    Chroococcoideae Ardissone 1886	heterotypic synonym, inaccurate spelling (ICN [Botanical Code])
    Dermocarpales Geitler 1925	heterotypic synonym, validly published under the ICN (Botanical Code)
    Chroococcales Cavalier-Smith 2002	heterotypic synonym, validly published under the ICNP, rejected name
    Chroococcales corrig. Ardissone 1886	heterotypic synonym, validly published under the ICN (Botanical Code)
    Siphononematidea Walton 1931	heterotypic synonym, inaccurate spelling (ICN [Botanical Code])
    Pleurocapsales Geitler 1925	homotypic synonym, validly published under the ICN (Botanical Code)
    Chroococcales Geitler 1925	heterotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    Siphononematales corrig. Walton 1931	heterotypic synonym, validly published under the ICN (Botanical Code)

• Notes:
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Fleurocapsales"; "Phurocapsales"; "Pirurocapsales"; "Plaurocapsales"; "Plcurocapsales"; "Plcurocopsales"; "Plenrocapsales"; "Pleumcapsales"; "Pleurocapxales"; "Pleurocaspales"; "Pleurotapsales"; "Pleuvocapsales"; "Pleuwcapsales"; "Plewocapsales"; "Plewrocapsales"; "Plttirocapsales"; "Plturecapsales".
  • 🧍 Cyanobacteria validly published under the bacteriological code. Publication: Oren A, Arahal DR, Christensen H, Goker M, Manaia CM, Moore ERB. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2025 Revision). Int J Syst Evol Microbiol 2026; 76:6979. 🇮🇱
  • 🧍 Rejected Name (Judicial Commission, Opinion 79 suppl.; IJSEM 64: 3599–3602). Publication: Tindall BJ. Names at the rank of class, subclass and order, their typification and current status: Supplementary information to Opinion 79. Judicial Commission of the International Committee on Systematics of Prokaryotes. Int J Syst Evol Microbiol 2014; 64:3599-3602. 🇩🇪
  • 🧍 The type genus "Pleurocapsa" does not appear on the Approved Lists of Bacterial Names, and has not been validly published since 1 January 1980. Consequently, Pleurocapsales Cavalier-Smith 2002 is illegitimate. Publication: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Parent taxon: Chroococcophyceae Hollerbach et al. 1953

Assigned by: LPSN automated production system. The following publication is only one of the sources consulted. It may or may not mention this taxon name. — Hollerbach MM, Kosinskaya EK, Polyansky VI. Sinezelenye vodorosli. In: Anonymous NN (eds), Opredelitel presnovodnykh vodoroslej SSSR, Sovetskaya Nauka, Moskva, 1953, p. 652.

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Record number: 5007